V21 Constitutional states in development (V21.0-V21.9) ICD-9-CM
The V21.0-V21.9 block classified v21 constitutional states in development with 11 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the V21.0-V21.9 Block 11 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- V21.0 Rapid childhood growth
- V21.1 Puberty
- V21.2 Adolescence growth NEC
- V21.30 Low birthwt status NOS
- V21.31 Low birthwt status <500g
- V21.32 Low birthwt 500-999g
- V21.33 Low birthwt 1000-1499g
- V21.34 Low birthwt 1500-1999g
- V21.35 Low birthwt 2000-2500g
- V21.8 Constit state in dev NEC
- V21.9 Constit state in dev NOS
Questions About This Page
Are the V21.0-V21.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the V21.0-V21.9 block classify?
The block classified v21 constitutional states in development with 11 codes in the final ICD-9-CM release. It sat under Supplementary classification of factors influencing health status and contact with health services (E) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
